CN1996463A - 具有分别对每个装置设备的数据记录区的磁盘装置 - Google Patents

具有分别对每个装置设备的数据记录区的磁盘装置 Download PDF

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Publication number
CN1996463A
CN1996463A CNA2006101518935A CN200610151893A CN1996463A CN 1996463 A CN1996463 A CN 1996463A CN A2006101518935 A CNA2006101518935 A CN A2006101518935A CN 200610151893 A CN200610151893 A CN 200610151893A CN 1996463 A CN1996463 A CN 1996463A
Authority
CN
China
Prior art keywords
magnetic head
magnetic
disk
zone
inward flange
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CNA2006101518935A
Other languages
English (en)
Chinese (zh)
Inventor
古桥贵夫
大场一秀
酒井嘉道
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of CN1996463A publication Critical patent/CN1996463A/zh
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/09—Digital recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/08—Track changing or selecting during transducing operation
    • G11B21/081—Access to indexed tracks or parts of continuous track
    • G11B21/083—Access to indexed tracks or parts of continuous track on discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
    • G11B5/55—Track change, selection or acquisition by displacement of the head
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • G11B5/5526—Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
    • G11B5/55—Track change, selection or acquisition by displacement of the head
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • G11B5/5526—Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
    • G11B5/553—Details
    • G11B5/5534—Initialisation, calibration, e.g. cylinder "set-up"

Landscapes

  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Digital Magnetic Recording (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
CNA2006101518935A 2002-12-12 2002-12-12 具有分别对每个装置设备的数据记录区的磁盘装置 Pending CN1996463A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2002/012989 WO2004053849A1 (fr) 2002-12-12 2002-12-12 Appareil a disque, ensemble appareil a disque, procede de fabrication d'appareil a disque

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CNB028295447A Division CN100508032C (zh) 2002-12-12 2002-12-12 磁盘装置及设置磁盘装置中磁盘介质之边界的方法

Publications (1)

Publication Number Publication Date
CN1996463A true CN1996463A (zh) 2007-07-11

Family

ID=32500621

Family Applications (2)

Application Number Title Priority Date Filing Date
CNA2006101518935A Pending CN1996463A (zh) 2002-12-12 2002-12-12 具有分别对每个装置设备的数据记录区的磁盘装置
CNB028295447A Expired - Fee Related CN100508032C (zh) 2002-12-12 2002-12-12 磁盘装置及设置磁盘装置中磁盘介质之边界的方法

Family Applications After (1)

Application Number Title Priority Date Filing Date
CNB028295447A Expired - Fee Related CN100508032C (zh) 2002-12-12 2002-12-12 磁盘装置及设置磁盘装置中磁盘介质之边界的方法

Country Status (7)

Country Link
US (2) US7317587B2 (fr)
EP (2) EP2026334A1 (fr)
JP (1) JPWO2004053849A1 (fr)
CN (2) CN1996463A (fr)
AU (1) AU2002354208A1 (fr)
DE (1) DE60232108D1 (fr)
WO (1) WO2004053849A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100652436B1 (ko) * 2005-10-11 2006-12-01 삼성전자주식회사 하드디스크 드라이브의 레퍼런스 서보 신호 기록 방법 및이에 적합한 장치
CN101349983B (zh) * 2008-09-02 2010-06-09 普天信息技术研究院有限公司 磁盘有效缓存容量的测量方法及装置
JP2010146615A (ja) * 2008-12-16 2010-07-01 Hitachi Global Storage Technologies Netherlands Bv データを記憶するディスクのゾーン・フォーマット設定方法及びディスク・ドライブ
US8572315B2 (en) 2010-11-05 2013-10-29 International Business Machines Corporation Smart optimization of tracks for cloud computing
US20120089774A1 (en) 2010-10-12 2012-04-12 International Business Machines Corporation Method and system for mitigating adjacent track erasure in hard disk drives
US8930646B2 (en) 2011-03-02 2015-01-06 International Business Machines Corporation Characterization and optimization of tracks on disks
US8861126B1 (en) 2011-09-20 2014-10-14 Western Digital Technologies, Inc. Disk drive detecting when head is on ramp
US9064537B1 (en) 2013-09-13 2015-06-23 Western Digital Technologies, Inc. Disk drive measuring radial offset between heads by detecting a difference between ramp contact
US9355666B1 (en) 2013-09-30 2016-05-31 Western Digital Technologies, Inc. Disk drive measuring stroke difference between heads by detecting a difference between ramp contact
US9093093B2 (en) * 2013-10-25 2015-07-28 Seagate Technology Llc Adaptive guard band for multiple heads of a data storage device
US9324366B1 (en) * 2015-04-01 2016-04-26 Seagate Technology Llc Controlling track density in storage discs
US9466329B1 (en) 2015-09-12 2016-10-11 Seagate Technology Llc Methods of modulating data frequency

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59887B2 (ja) * 1977-01-25 1984-01-09 日本電信電話株式会社 磁気デイスク記憶装置
JPS5887118A (ja) 1981-11-19 1983-05-24 Idemitsu Kosan Co Ltd アスフアルト組成物
JPS58155505A (ja) * 1981-11-20 1983-09-16 Toshiba Corp ビデオデイスク記録再生方式
JPS5887118U (ja) * 1981-12-08 1983-06-13 三菱電機株式会社 情報記録デイスク
JPS61236001A (ja) * 1985-04-10 1986-10-21 Matsushita Electric Ind Co Ltd 円磐状情報記録装置
JPH03178004A (ja) * 1989-12-06 1991-08-02 Nec Ibaraki Ltd 磁気ディスク媒体
US5457703A (en) * 1990-11-21 1995-10-10 Hitachi, Ltd. Array disk system and control method thereof
JPH04301274A (ja) * 1991-03-28 1992-10-23 Oki Electric Ind Co Ltd 磁気ディスク駆動装置
JP3089058B2 (ja) * 1991-09-24 2000-09-18 松下電工株式会社 記憶調光装置
US5596458A (en) 1994-12-19 1997-01-21 Integral Peripherals, Inc. Variable zone layout for information storage disk drive
US6005725A (en) 1994-12-19 1999-12-21 Mobile Storage Technology Inc. Variable zone layout and track pitch parameter considerations for information storage disk drive
KR100251940B1 (ko) * 1996-09-18 2000-04-15 윤종용 헤드/기록매체 성능을 고려한 하드 디스크 드라이브의 존레이아웃 선택방법
US6137644A (en) * 1998-05-19 2000-10-24 International Business Machines Corporation Method for adaptive formatting and track traversal in data storage devices
US6560052B2 (en) * 1998-07-13 2003-05-06 Seagate Technology Llc Implementation of variable bit density recording in storage disc drives
US6611390B1 (en) * 2000-03-17 2003-08-26 Maxtor Corporation Method and apparatus for improving servo zoning for PRML detected gray code using channel bit densities
JP3683157B2 (ja) * 2000-03-17 2005-08-17 富士通株式会社 ディスク装置のヘッド位置制御方法及びデイスク装置
SG106617A1 (en) * 2000-08-04 2004-10-29 Seagate Technology Llc Adaptive zone frequency compensation for disc drives.

Also Published As

Publication number Publication date
AU2002354208A1 (en) 2004-06-30
CN1666257A (zh) 2005-09-07
EP1571653A1 (fr) 2005-09-07
US7317587B2 (en) 2008-01-08
US7706091B2 (en) 2010-04-27
WO2004053849A1 (fr) 2004-06-24
DE60232108D1 (de) 2009-06-04
EP1571653B1 (fr) 2009-04-22
CN100508032C (zh) 2009-07-01
EP2026334A1 (fr) 2009-02-18
EP1571653A4 (fr) 2008-03-26
US20070171560A1 (en) 2007-07-26
US20050134994A1 (en) 2005-06-23
JPWO2004053849A1 (ja) 2006-04-13

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
ASS Succession or assignment of patent right

Owner name: TOSHIBA STORAGE DEVICE CO., LTD.

Free format text: FORMER OWNER: FUJITSU LIMITED

Effective date: 20091204

C41 Transfer of patent application or patent right or utility model
TA01 Transfer of patent application right

Effective date of registration: 20091204

Address after: Tokyo, Japan

Applicant after: Fujitsu Ltd.

Address before: Kanagawa, Japan

Applicant before: Fujitsu Ltd.

C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Open date: 20070711